Thread: [Help] Calibre 4.X eBook Viewer Broken
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Old 05-02-2020, 12:31 AM   #6
kovidgoyal
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Here are the things you can try:

1) Update your graphics drivers
2) Run in Safe Mode
3) Turn of hardware acceleration for Qt WebEngine asdescribed here: https://doc.qt.io/qt-5/qtwebengine-debugging.html
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